Search a number
-
+
10157247 = 321128583
BaseRepresentation
bin100110101111…
…110010111111
3201010001010100
4212233302333
510100012442
61001412143
7152222652
oct46576277
921101110
1010157247
115808321
12349a053
132148309
1414c5899
15d5984c
hex9afcbf

10157247 has 6 divisors (see below), whose sum is σ = 14671592. Its totient is φ = 6771492.

The previous prime is 10157239. The next prime is 10157269. The reversal of 10157247 is 74275101.

It is not a de Polignac number, because 10157247 - 23 = 10157239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10157247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10157227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564283 + ... + 564300.

Almost surely, 210157247 is an apocalyptic number.

10157247 is a deficient number, since it is larger than the sum of its proper divisors (4514345).

10157247 is a wasteful number, since it uses less digits than its factorization.

10157247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128589 (or 1128586 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 10157247 is about 3187.0436143862. The cubic root of 10157247 is about 216.5668623835.

It can be divided in two parts, 10157 and 247, that added together give a square (10404 = 1022).

The spelling of 10157247 in words is "ten million, one hundred fifty-seven thousand, two hundred forty-seven".

Divisors: 1 3 9 1128583 3385749 10157247